﻿function Marquee() {
    this.ID = document.getElementById(arguments[0]);
    this.Direction = arguments[1];
    this.Step = arguments[2];
    //this.Width = arguments[3];
    this.Width = this.ID.style.width;
    this.Height = this.ID.style.height;
    this.Timer = arguments[3];
    this.WaitTime = arguments[4];
    this.StopTime = arguments[5];
    if (arguments[6]) { this.ScrollStep = arguments[6]; } else { this.ScrollStep = this.Direction > 1 ? this.Width : this.Height; }
    this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
    this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
    this.ID.noWrap = true;
    //this.ID.style.width = this.Width;
    //this.ID.style.height = this.Height;
    this.ClientScroll = this.Direction > 1 ? this.ID.scrollWidth : this.ID.scrollHeight;
    this.ID.innerHTML += this.ID.innerHTML;
    this.Start(this, this.Timer, this.WaitTime, this.StopTime);
}
Marquee.prototype.Start = function (msobj, timer, waittime, stoptime) {
    msobj.StartID = function () { msobj.Scroll(); }
    msobj.Continue = function () {
        if (msobj.MouseOver == 1) { setTimeout(msobj.Continue, waittime); }
        else { clearInterval(msobj.TimerID); msobj.CTL = msobj.Stop = 0; msobj.TimerID = setInterval(msobj.StartID, timer); }
    }
    msobj.Pause = function () { msobj.Stop = 1; clearInterval(msobj.TimerID); setTimeout(msobj.Continue, waittime); }
    msobj.Begin = function () {
        msobj.TimerID = setInterval(msobj.StartID, timer);
        msobj.ID.onmouseover = function () { msobj.MouseOver = 1; clearInterval(msobj.TimerID); }
        msobj.ID.onmouseout = function () { msobj.MouseOver = 0; if (msobj.Stop == 0) { clearInterval(msobj.TimerID); msobj.TimerID = setInterval(msobj.StartID, timer); } }
    }
    setTimeout(msobj.Begin, stoptime);
}
Marquee.prototype.Scroll = function () {
    switch (this.Direction) {
        case 0:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollTop >= this.ClientScroll) this.ID.scrollTop -= this.ClientScroll; this.ID.scrollTop += this.Step; }
            break;
        case 1:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollTop <= 0) this.ID.scrollTop += this.ClientScroll; this.ID.scrollTop -= this.Step; }
            break;
        case 2:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollLeft >= this.ClientScroll) this.ID.scrollLeft -= this.ClientScroll; this.ID.scrollLeft += this.Step; }
            break;
        case 3:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollLeft <= 0) this.ID.scrollLeft += this.ClientScroll; this.ID.scrollLeft -= this.Step; }
            break;
    }
}
$(function () {
	new Marquee(
		"scrollBox2",  //容器ID<br />
		0,  //向上滚动(0向上 1向下 2向左 3向右)<br />
		2,  //滚动的步长<br />
		50,  //定时器 数值越小，滚动的速度越快(1000=1秒,建议不小于20)<br />
		2000,  //间歇停顿时间(0为不停顿,1000=1秒)<br />
		1000,  //开始时的等待时间(0为不等待,1000=1秒)<br />
		22  //间歇滚动间距(可选)<br />
	);
});